3

Pin Descriptions

PIN NUMBER

PIN NAME

PIN TYPE

PIN DESCRIPTION

1, 3, 9

VS

Power

Positive power supply for analog circuits

2

VSD

Power

Positive power supply for digital circuits

4

REFH

Analog Input

High reference voltage

5

REFL

Analog Input

Low reference voltage

6, 21, 11, 13

GND

Power

Ground

7

CAP

Analog

Decoupling capacitor for internal reference generator

8, 12, 14, 15, 16, 26

NC

10

A0

Logic Input

17

OUTH

Analog Output

Channel H programmable output voltage

18

OUTG

Analog Output

Channel G programmable output voltage

19

OUTF

Analog Output

Channel F programmable output voltage

20

OUTE

Analog Output

Channel E programmable output voltage

22

OUTD

Analog Output

Channel D programmable output voltage

23

OUTC

Analog Output

Channel C programmable output voltage

24

OUTB

Analog Output

Channel B programmable output voltage

25

OUTA

Analog Output

Channel A programmable output voltage

27

FILTER

Logic Input

28

STD/REG

Logic Input

Selects mode, high = standard, low = register mode

29

SCL

Logic Input

30

SDA

Logic Input

31

OSC

IP/OP

Oscillator pin for synchronizing multiple chips

32

OSC_SEL

Logic Input

Selects internal/external OSC source, high = external, low = internal

Typical Performance Curves

FIGURE 1. DIFFERENTIAL NONLINEARITY vs CODE

FIGURE 2. SUPPLY VOLTAGE vs SUPPLY CURRENT

0.3

0.2

0.1

0

-0.1

-0.2

-0.3

10

210

410

610

810

1010

INPUT CODE

7.8

7.4

7.0

6.6

6.4

410

12

14

16

18

7.6

7.2

6.8

8

6

ALL CHANNEL OUTPUT = 0V

EL5126